MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
145 - Table './balkania_forum/mybb_sessions' is marked as crashed and should be repaired
Query:
REPLACE INTO mybb_sessions SET `uid`=0,`sid`='4789c555436f1c8724d52583115ba187',`time`=1711623861,`ip`=X'2cc8c472',`location`='/showthread.php?tid=266&page=2',`useragent`='claudebot',`location1`=8,`location2`=266,`nopermission`=0